Old people can be so funny. Unabashed owners of their eccentricities and idiosyncrasies, they really seem to be on to something – enjoying life. Golden years, indeed. But eventually, it all becomes a bit less fun. The body, the mind, or maybe both, grow tired. Death becomes imminent. In these twilight years, folks need help. In her memoir, Can’t We Talk About Something More Pleasant?, New Yorker cartoonist Roz Chast chronicles her parents’ decline into poorer and poorer health.